errorHandler-middleware

import AppError from "../utils/appError.js";

const notFoundHandler = (req, res, next) => {
  next(
    new AppError(
      404,
      `Your requested url ${req.originalUrl} was not found on this server!`
    )
  );
};

const sendDevErrorResponse = (error, res) => {
  res.status(error.statusCode).json({
    success: error.success,
    message: error.message,
    error,
    stack: error.stack,
  });
};

const sendProdErrorResponse = (error, res) => {
  if (error.isOperational) {
    return res.status(error.statusCode).json({
      success: error.success,
      message: error.message,
      error,
    });
  } else {
    console.error("ERROR ⛔", error);

    return res.status(500).json({
      success: false,
      message: `${error.message}$` || `Something went wrong on the server`,
    });
  }
};

const defaultErrorHandler = (error, req, res, next) => {
  error.statusCode = error.statusCode || 500;
  error.success = error.success || false;

  if (process.env.NODE_ENV === "development") {
    sendDevErrorResponse(error, res);
  } else if (process.env.NODE_ENV === "production") {
    if (error instanceof AppError) {
      // Operational, trusted error: send message to client
      sendProdErrorResponse(error, res);
    } else {
      // Programming or other unknown error: don't leak details to client
      sendProdErrorResponse(error, res);
    }
  }
};

export const ErrorHandlers = { defaultErrorHandler, notFoundHandler };